A) thermal energy B) mechanical Wave C) reaction force D) impulse
A) artificial lights B) a vacuum C) the energy of distant stars D) the high energy of the Sun
A) radio waves B) ultraviolet light C) visible light D) microwaves
A) True B) False
A) thermal wave B) transverse Wave C) longitidunal wave D) vibrational wave
A) interference wave B) node C) transverse wave D) longitudinal wave
A) seismic waves B) light waves C) water waves D) sound waves
A) water waves B) sound waves
A) red B) violet C) blue D) yellow E) green
A) violet B) blue C) green D) yellow E) red
A) gamma rays B) radio waves C) infrared light D) ultraviolet light
A) gamma rays B) x-rays C) radio waves D) ultraviolet light
A) electromagnetic waves B) when the queen greets her subjects while cleaning C) mechanical waves
A) white light B) black light C) a gross brown colour D) a path to lucky charms
A) radio waves B) gamma rays C) ultraviolet light D) x-rays
A) Vibrations B) All of these are correct C) Waves D) Energy E) Captured in our Ears
A) A moving object is emitting sound continuously. B) The waves are really distorted in the front where the sound is and not in the back after the object moves away C) There is a rainbow present in the sky. D) The waves are moving like the ripples in a pond from a rock
A) Liquids B) Space C) Solids D) Gases
A) Sound bouncing back to you off a solid object B) A figment of your imagination C) Sound that DOES NOT bounce back to you D) Sound that bounces in all directions
A) Intensity B) Hertz C) Velocity D) Frequency E) Amplitude
A) The unit of measure used to measure the loudness B) The unit of measure used to measure frequency C) The unit of measure that is used to measure wavelength D) The unit of measure to measure tone quality
A) Speed B) Frequency C) It does not have a relation D) Amplitude E) Decibels
A) 100 dB B) 20 dB C) 200 dB D) 50 dB E) 70 dB
A) True B) You can always hear no matter where you are C) The only place in space that you can hear is the moon D) False E) Neither
A) 20-20,000Hz B) 0-100Hz C) 100-100,000Hz D) A mouse squeak to a lion's roar E) 50-50,000Hz
A) a higher pitch B) a softer sound C) a lower pitch D) a louder sound
A) in a straight line B) at right angles with the source C) all directions D) parallel to the source
A) determined by how many particles move side to side B) determined between two consecutive compressions or rarefractions C) determined between two consecutive crests or troughs D) determined by how loud it is
A) sonic the hedgehog B) infrasonic C) ultrasonic D) hydrasonic
A) infrasonic B) ultrasonic C) sonic the hedgehog D) hydrasonic
A) all of the above B) elephants C) ultrasound machine D) bats
A) whales B) all of these C) ultrasound machine D) bats
A) stops, restarts B) increases, decreases C) starts, stops D) decreases, increases
A) Echo Reverberation B) No echos at all C) Echo Location D) Echo Detection
A) wavelength B) amplitude C) frequency D) hearing sensitivity
A) 10 km/h B) 3 m/s C) 40 km/h D) 340 m/s
A) rock music concert B) jet motor C) intense road traffic D) calm classroom
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